CVE-2021-4000 Open Redirect in star7th/showdoc
Attackers can redirect users to malicious sites via ShowDoc, potentially facilitating phishing attacks against documentation users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-4000?
CVE-2021-4000 is a medium-severity vulnerability in star7th/showdoc, published on 3 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
showdoc is vulnerable to URL Redirection to Untrusted Site
Weakness: CWE-601
Which versions are affected by CVE-2021-4000?
2 open source packages ship an affected version, including showdoc/showdoc. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
showdoc/showdoc Packagist | All versions to 2.9.13 | None |
showdoc/showdoc Packagist | All versions to 2.9.13 | None |
Products include Showdoc Showdoc.
How do I fix CVE-2021-4000?
No fix has been published for CVE-2021-4000 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-4000 being exploited?
There is no known exploitation of CVE-2021-4000 in the wild and no public exploit code.
Other vulnerabilities in star7th/showdoc
- CVE-2021-41745 Showdoc File Upload Vulnerability
- CVE-2021-36440 Unrestricted File Upload in ShowDoc v2.9.5
- CVE-2022-0942 Stored XSS due to Unrestricted File Upload in star7th/showdoc
- CVE-2022-1034 There is a Unrestricted Upload of File vulnerability in ShowDoc v2.10.3 in star7th/showdoc
- CVE-2022-0945 Stored XSS viva axd and cshtml file upload in star7th/showdoc in star7th/showdoc
Sources
Also known as GHSA-8c9x-wfgj-v78w.